tiennm99 d040ce4161 feat(trading): add trade history and daily FIFO retention cron ...

- trading_trades table (migration 0001) persists every buy/sell via optional onTrade callback
- /history [n] command shows caller's last N trades (default 10, max 50), HTML-escaped
- daily cron at 0 17 * * * trims to 1000/user + 10000/global via FIFO delete
- persistence failure logs but does not fail the trade reply

2026-04-15 13:29:15 +07:00

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